Two loudspeakers in a 20°C room emit 700 Hz sound waves along the x-axis. If the speakers are in phase, what is the smallest

Question

Two loudspeakers in a 20°C room emit 700 Hz sound waves along the x-axis.
If the speakers are in phase, what is the smallest distance between the speakers for which the interference of the sound waves is perfectly destructive?

Kunduz · Accepted Answer

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